Weinshenker, B., & Ebers, G. (1987). The natural history of multiple sclerosis.
Cita Chicago (17th ed.)Weinshenker, BG, i G. Ebers. The Natural History of Multiple Sclerosis. 1987.
Cita MLA (9th ed.)Weinshenker, BG, i G. Ebers. The Natural History of Multiple Sclerosis. 1987.
Atenció: Aquestes cites poden no estar 100% correctes.